diff --git a/web/screens/Chat/SimpleTextMessage/index.tsx b/web/screens/Chat/SimpleTextMessage/index.tsx
index 61ec4b1ef..a73f02f2c 100644
--- a/web/screens/Chat/SimpleTextMessage/index.tsx
+++ b/web/screens/Chat/SimpleTextMessage/index.tsx
@@ -29,7 +29,11 @@ const marked = new Marked(
       if (lang === undefined || lang === '') {
         return hljs.highlightAuto(code).value
       }
-      return hljs.highlight(code, { language: lang }).value
+      try {
+        return hljs.highlight(code, { language: lang }).value
+      } catch (err) {
+        return hljs.highlight(code, { language: 'javascript' }).value
+      }
     },
   }),
   {